CN110044345A - More asterisms emulate precision positioning device - Google Patents
More asterisms emulate precision positioning device Download PDFInfo
- Publication number
- CN110044345A CN110044345A CN201910374976.8A CN201910374976A CN110044345A CN 110044345 A CN110044345 A CN 110044345A CN 201910374976 A CN201910374976 A CN 201910374976A CN 110044345 A CN110044345 A CN 110044345A
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- asterisms
- emulate
- positioning device
- precision positioning
- perforation
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- 239000013307 optical fiber Substances 0.000 claims abstract description 24
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000004088 simulation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000010329 laser etching Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
- G01C15/004—Reference lines, planes or sectors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a kind of more asterisms to emulate precision positioning device, comprising: star tester, surface etch have asterism corresponding with simulated target star chart；Mounting base, which is provided with mounting hole, and the star tester is coaxially installed in mounting hole；Lock orifice plate, one side offers groove compatible with mounting base, the groove floor offers multiple through-holes corresponding with asterism, and optical fiber collimator is mounted in each through-hole, and the mounting base is installed in groove so that optical fiber collimator and corresponding asterism are coaxial.More asterisms of the invention emulate precision positioning device, realize high-precision right angle setting of the optical fiber collimator precisely between star tester, guarantee the accuracy of asterism display position and the good transmission of light source analogy effect in simulated target star chart using mechanical structure.
Description
Technical field
The present invention relates to space flight terrestrial optical test equipment correlative technology fields.It is more particularly related to a kind of
More asterisms emulate precision positioning device.
Background technique
With the skill upgrading of domestic static multi- star simulator, the independent transmission technology of multi-pass can be used at present, it is real
Now single star distinguishes controllable function.Optical fiber collimator applies to inside simulator from communication field for the first time, as the technology light beam
Transmitting device, its main feature is that: it is small in size, it is directly installed on after star tester compared to light source, it can be achieved that angular distance between smaller star；Out
Penetrating light is collimated light beam, is avoided in more star simulation processes, light source dispersion angle is big, the problem of interfering with each other.Based on static more stars
Simulator demand uses optical fiber collimator to bring installation question as follows as light beam transmission apparatus: (1), optical fiber collimator how
Simulation asterism precisely is lighted, and fixed effect is good.(2), since emergent light is collimated light beam, how to guarantee that optical fiber collimator goes out
It is vertical with precision etching asterism plate face to penetrate optical axis.
Summary of the invention
It is an object of the invention at least one in solving the above problems, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of more asterisms to emulate precision positioning device, realizes optical fiber collimator essence
High-precision right angle setting between quasi- and star tester guarantees the standard of asterism display position in simulated target star chart using mechanical structure
The good transmission of true property and light source analogy effect.
In order to realize these purposes and other advantages according to the present invention, a kind of more asterism emulation precision positioning dresses are provided
It sets, comprising:
Star tester, surface etch have asterism corresponding with simulated target star chart；
Mounting base, which is provided with mounting hole, and the star tester is coaxially installed in mounting hole；
Lock orifice plate, one side offers groove compatible with mounting base, the groove floor offer it is multiple with
The corresponding through-hole of asterism, collimator is mounted in each through-hole, and the mounting base is installed in groove so that optical fiber collimator
It is coaxial with corresponding asterism.
Preferably, more asterisms emulate precision positioning device, and the mounting hole is that one end diameter is small, the other end is straight
Big step-like of diameter, the big one end of the installation bore dia is equipped with internal screw thread, and the star tester is set in mounting hole and one end is supported
The small one end of diameter is connect, a circular pressing ring is bolted in the big one end of installation bore dia and is connected to the other end of star tester.
Preferably, more asterisms emulate precision positioning device, and the star tester is coaxially connected in the mounting hole
It is interior.
Preferably, more asterisms emulate precision positioning device, convex to form one outwardly in the middle part of the groove floor
Boss offers multiple through-holes corresponding with asterism on the boss.
Preferably, more asterisms emulate precision positioning device, further include a circular spacer ring, are located in groove
And it is sheathed on boss periphery, end is abutted against with circular spacer ring when the mounting base is installed in groove.
Preferably, more asterisms emulate precision positioning device, are located at outside mounting hole circumferentially in the mounting base
It perforates equipped with multiple first threaded holes, is equipped with the second threaded hole at the corresponding first threaded hole perforation of annular shape spacer ring and perforates,
It is equipped with arcuate socket at the corresponding second threaded hole perforation of the groove floor, a screw body of rod passes through arcuate socket and being spirally connected and is inserted in the
In the perforation of one threaded hole, the perforation of the second threaded hole.
Preferably, more asterisms emulate precision positioning device, and the first perforation, the second perforation inner wall are equipped with interior spiral shell
Line, the body of rod are equipped with external screw thread, and the body of rod passes through arcuate socket and first perforation that is spirally connected, the second perforation.
Preferably, more asterisms emulate precision positioning device, and the through-hole is step-like, and close to groove side
End diameter it is small.
Preferably, more asterisms emulate precision positioning device, and the boss surface is additionally provided with anti-scratch layer.
Preferably, more asterisms emulate precision positioning device, are located at outside mounting hole circumferentially in the mounting base
Uniform intervals are equipped with the first threaded hole, and first threaded hole can be four or other numerical value.
The present invention is include at least the following beneficial effects:
More asterisms of the invention emulate precision positioning device, it is ensured that the verticality of optical fiber collimator and star tester, it can be with
Ensure that each optical fiber collimator corresponds to the underface of asterism on star tester, is becoming individual module after the assembly is completed, it is whole
A device is screwed in simulator inside, and it is precisely high-precision between star tester that the present invention realizes optical fiber collimator
Right angle setting is spent, guarantees the accuracy and light source analogy effect of asterism display position in simulated target star chart using mechanical structure
Good transmission.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the cross-sectional view that more asterisms of the present invention emulate the one of technical solution of precision positioning device；
Fig. 2 is the structural schematic diagram that more asterisms of the present invention emulate the one of technical solution of precision positioning device；
Fig. 3 is the assembling schematic diagram that more asterisms of the present invention emulate the one of technical solution of precision positioning device；
Fig. 4 is the assembling schematic diagram that more asterisms of the present invention emulate another technical solution of precision positioning device；
Fig. 5 is that more asterisms of the present invention emulate the structural schematic diagram that precision positioning device locks orifice plate；
Fig. 6 is that more asterisms described in another embodiment of the present invention emulate the structural representation that precision positioning device locks orifice plate
Figure.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and is not the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
As shown in figs. 1 to 6, a kind of more asterisms of the present invention emulate precision positioning device, comprising:
Star tester 100, surface etch have asterism corresponding with simulated target star chart；
Mounting base 101, which is provided with mounting hole 11, and the star tester 100 is coaxially installed in mounting hole 11；
Orifice plate 103 is locked, one side offers groove 12 compatible with mounting base 101, and 12 bottom surface of groove is opened
Equipped with multiple through-holes 13 corresponding with asterism, collimator 1 is mounted in each through-hole 13, the mounting base 101 is installed on recessed
So that optical fiber collimator 1 and corresponding asterism are coaxial in slot 12.
More asterisms of the invention emulate precision positioning device, laser etching techniques are used on 100 surface of star tester, by mould
The asterism of quasi- target day area star chart etches on the circular glass star tester 100 after plated film, and the diameter of minimum asterism can achieve
Then star tester 100 is coaxially installed in the mounting hole 11 of mounting base 101 by 8um, star tester 100 can be spirally connected or be connected in peace
It fills in hole 11, is then coaxially disposed within mounting base 101 in the groove of locking orifice plate 103, and adjustment makes through-hole 13 and asterism one
One is corresponding, can irradiate star tester 100, and lock 103 verso view of orifice plate from position by opening plate area source in practice
Each 13 center of through-hole whether there is the asterism of quilt cover light source igniting, and each through-hole 13 can be observed by light source point in adjustment
Bright asterism, and then guarantee that through-hole 13 and asterism correspond, then optical fiber collimator 1 is mounted in through-hole 13, to make
Collimator 1 and corresponding asterism are coaxial, and collimator 1 is optical fiber collimator, after the assembly of finishing device, are packed into corresponding static star
Inside simulator, being connected with screw with other component can reach expected simulation effect.More asterisms of the invention emulate accurate
Positioning device, it is ensured that the verticality of collimator 1 and star tester 100, it can be ensured that each collimator 1 is corresponding on star tester
The underface of asterism is becoming individual module after the assembly is completed, and whole device is screwed in simulator inside, should
Invention realizes high-precision right angle setting of the optical fiber collimator precisely between star tester, guarantees simulated target using mechanical structure
The good transmission of the accuracy of asterism display position and light source analogy effect in star chart.
In another technical solution, more asterisms emulate precision positioning device, and the mounting hole 11 is that one end is straight
It is step-like that diameter is small, other end diameter is big, and the big one end of 11 diameter of mounting hole is equipped with internal screw thread, and the star tester 100 is set
The small one end of diameter is abutted in mounting hole 11 and one end, a circular pressing ring is bolted in the big one end of 11 diameter of mounting hole and supports
It is connected to the other end of star tester 100.In the technical scheme, mounting hole 11 is step-like, and 100 one end of star tester is connected to diameter
Then small one end with circular pressing ring, then seals junction with glue, shake star tester 100 will not, to whole after connection
Body carries out centering processing, guarantees the concentricity with locking orifice plate.
In another technical solution, the star tester 100 is coaxially connected in the mounting hole 11.Use snap fit
Convenient for the installation and removal of star tester 100, star tester 100 can also be mounted in a screw connection manner in mounting hole 11 in practice.
In another technical solution, more asterisms emulate precision positioning device, court in the middle part of 12 bottom surface of groove
Outer lug forms a boss 14, offers multiple through-holes 13 corresponding with asterism on the boss 14.
In another technical solution, more asterisms emulate precision positioning device, further include a circular spacer ring
102, it is located in groove 12 and is sheathed on 14 periphery of boss, the mounting base 101 is installed on end and annulus when in groove 12
Shape spacer ring 102 abuts against.Circular spacer ring 102 will not be connect completely for ensuring to lock between orifice plate 103 and star tester 100
Touching, the star tester 100 locking orifice plate 103 made relative to metal itself is fragile, between the two position in installation process
In can generate relative rotation, mounting circular ring shape spacer ring 102 can avoid star tester 100 and be scratched.
In another technical solution, more asterisms emulate precision positioning device, are located at peace in the mounting base 101
It fills circumferentially arranged with multiple first perforation 15 outside hole, the annular shape spacer ring 102, which corresponds to, is equipped with the second perforation at the first perforation 15
16,12 bottom surface of groove corresponds to and is equipped with arcuate socket 17 at the second perforation 16, and a body of rod passes through arcuate socket 17 and is inserted in first
It perforates in the 15, second threaded hole perforation 16.It is coaxially disposed in groove 12 in mounting base 101, rotation adjustment mounting base 101 makes
After asterism on star tester 100 and through-hole 13 correspond, arcuate socket 17 is passed through by the body of rod and is inserted in the first perforation 15, the
In two threaded holes perforation 16, and then keep mounting base 101 and locking orifice plate 103 fixed.In practice, the body of rod can be used to pass through lock hole
Second perforation 16 of the arcuate socket 17 of plate 103, circular spacer ring 102, slightly rotation make first that the body of rod enters in mounting base 101
Plate area source is opened in perforation 15, irradiates star tester 100, whether there is quilt from locking 103 verso view through-hole of orifice plate, 13 center
The asterism that area source is lighted is pressed if not all through-hole is observed that the asterism of quilt cover light source igniting and lives in state the body of rod, along arc
The slightly spin locking orifice plate 103 of shape hole 17 changes the relative direction of locking orifice plate 103 and star tester 100, until in each through-hole
The asterism of quilt cover light source igniting can be observed in the heart, and optical fiber collimator 1 is then installed in through-hole 13.
In another technical solution, more asterisms emulate precision positioning device, first the 15, second perforation 16 of perforation
Inner wall is equipped with internal screw thread, and the body of rod is equipped with external screw thread, and the body of rod passes through arcuate socket 17 and first perforation 15, second that is spirally connected
Perforation 16.The body of rod is spirally connected with first the 15, second perforation 16 of perforation, can make to install between mounting base 101 and locking orifice plate 103 in this way
It is more firm, it does not shake.In use, the body of rod can be used to pass through the arcuate socket 17, circular spacer ring 102 for locking orifice plate 103
Second perforation 16, the first perforation 15 being slightly rotated into mounting base 101, opens plate area source, irradiates star tester 100, from
Locking 103 verso view through-hole of orifice plate, 13 center whether there is the asterism of quilt cover light source igniting, if not all through-hole can be observed
It to the asterism of quilt cover light source igniting, then presses and states the body of rod, arcuately the slightly spin locking orifice plate 103 of hole 17, change lock hole
The relative direction of plate 103 and star tester 100, until the asterism of quilt cover light source igniting can be observed in each through hole center, then
Continue to tighten the body of rod, the body of rod is made to be spirally connected the first perforation 15, to keep mounting base 101 and locking orifice plate 103 fixed, then in through-hole
Optical fiber collimator 1 is installed in 13.
It then proceedes to tighten screw, screw is made to be spirally connected the first threaded hole 15, to make mounting base 101 and locking orifice plate 103
It is fixed, then optical fiber collimator 1 is installed in through-hole 13 again.
In another technical solution, more asterisms emulate precision positioning device, and the through-hole 13 is step-like, and
End diameter close to 12 side of groove is small.The every insertion of optical fiber collimator 1 is locked in the through-hole 13 on orifice plate 103 to step
Hole restriction site stop, stepped hole simultaneously ensure that every optical fiber collimator enter locking orifice plate distance it is identical, control simulation
Error.Optical fiber collimator and star tester keep plumbness, make the light beam at light source after by optical fiber collimator, simulation effect
Fruit it is constant light needed for simulate asterism.
In another technical solution, more asterisms emulate precision positioning device, and 14 surface of boss is additionally provided with
Anti-scratch layer.Anti-scratch layer can be the flannelette being arranged on 14 surface of boss, can prevent from scratching star tester 100, Yi Jifang in this way
Only extraneous light disturbance simulates effect.
In another technical solution, more asterisms emulate precision positioning device, are located at peace in the mounting base 101
Dress hole outside circumferentially uniform intervals set there are four the first threaded hole 15.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
1. a kind of more asterisms emulate precision positioning device characterized by comprising
Star tester, surface etch have asterism corresponding with simulated target star chart；
Mounting base, which is provided with mounting hole, and the star tester is coaxially installed in mounting hole；
Orifice plate is locked, one side offers groove compatible with mounting base, and the groove floor offers multiple and asterism
Corresponding through-hole, is mounted on collimator in each through-hole, the mounting base be installed in groove so that optical fiber collimator with it is right
The asterism answered is coaxial.
2. more asterisms as described in claim 1 emulate precision positioning device, which is characterized in that the mounting hole is one end diameter
Big step-like of small, other end diameter, the big one end of the installation bore dia is equipped with internal screw thread, and the star tester is set to mounting hole
Interior and one end abuts the small one end of diameter, and a circular pressing ring is bolted in installation big one end of bore dia and is connected to star tester
The other end.
3. more asterisms as described in claim 1 emulate precision positioning device, which is characterized in that the star tester is coaxially connected in
In the mounting hole.
4. more asterisms as described in claim 1 emulate precision positioning device, which is characterized in that in the middle part of the groove floor outwardly
A boss is convexed to form, multiple through-holes corresponding with asterism are offered on the boss.
5. more asterisms as claimed in claim 4 emulate precision positioning device, which is characterized in that it further include a circular spacer ring,
It is located in groove and is sheathed on boss periphery, and end is abutted against with circular spacer ring when the mounting base is installed in groove.
6. more asterisms as claimed in claim 5 emulate precision positioning device, which is characterized in that be located at installation in the mounting base
Circumferentially arranged with multiple first perforation outside hole, the annular shape spacer ring, which corresponds to, is equipped with the second perforation, the groove at the first perforation
It is equipped with arcuate socket at corresponding second perforation in bottom surface, a body of rod passes through arcuate socket and is inserted in the first perforation, in the second perforation.
7. more asterisms as claimed in claim 6 emulate precision positioning device, which is characterized in that in the first perforation, the second perforation
Wall is equipped with internal screw thread, and the body of rod is equipped with external screw thread, and the body of rod passes through arcuate socket and first perforation that is spirally connected, the second perforation.
8. more asterisms as described in claim 1 emulate precision positioning device, which is characterized in that the through-hole is step-like, and
End diameter close to groove side is small.
9. more asterisms as claimed in claim 4 emulate precision positioning device, which is characterized in that the boss surface is additionally provided with anti-
Scoring layer.
10. more asterisms as claimed in claim 6 emulate precision positioning device, which is characterized in that be located at peace in the mounting base
Circumferentially uniform intervals are equipped with the first perforation outside dress hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910374976.8A CN110044345A (en) | 2019-05-07 | 2019-05-07 | More asterisms emulate precision positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910374976.8A CN110044345A (en) | 2019-05-07 | 2019-05-07 | More asterisms emulate precision positioning device |
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| Publication Number | Publication Date |
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| CN110044345A true CN110044345A (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910374976.8A Pending CN110044345A (en) | 2019-05-07 | 2019-05-07 | More asterisms emulate precision positioning device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101236087A (en) * | 2008-01-31 | 2008-08-06 | 北京控制工程研究所 | Static multi- light path star simulator |
| CN103206964A (en) * | 2012-01-16 | 2013-07-17 | 中国科学院西安光学精密机械研究所 | Spectral-weight-tunable weak light magnitude simulation system |
| CN106643799A (en) * | 2016-12-22 | 2017-05-10 | 中国科学院西安光学精密机械研究所 | Easily assembled, debugged and integrated target wheel type star point plate focusing device |
| CN209857894U (en) * | 2019-05-07 | 2019-12-27 | 西安中科微星光电科技有限公司 | Multi-star point simulation precision positioning device |
-
2019
- 2019-05-07 CN CN201910374976.8A patent/CN110044345A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101236087A (en) * | 2008-01-31 | 2008-08-06 | 北京控制工程研究所 | Static multi- light path star simulator |
| CN103206964A (en) * | 2012-01-16 | 2013-07-17 | 中国科学院西安光学精密机械研究所 | Spectral-weight-tunable weak light magnitude simulation system |
| CN106643799A (en) * | 2016-12-22 | 2017-05-10 | 中国科学院西安光学精密机械研究所 | Easily assembled, debugged and integrated target wheel type star point plate focusing device |
| CN209857894U (en) * | 2019-05-07 | 2019-12-27 | 西安中科微星光电科技有限公司 | Multi-star point simulation precision positioning device |
Non-Patent Citations (2)
| Title |
|---|
| 孙向阳;张国玉;王大轶;郝云彩;段洁;: "大尺寸高精度星模拟器光机结构设计", 仪器仪表学报, no. 09, pages 2121 - 2126 * |
| 段洁；孙向阳；安志勇: "光纤耦合技术的星图模拟技术研究", 红外与激光工程, vol. 42, no. 11, 30 November 2014 (2014-11-30), pages 3592 - 3596 * |
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